1B0A61

1B0A61 - P152B

Information saved in
DME

Fault code
1B0A61 - P152B

Fault text
Vehicle speed, plausibility: minimum speed in overrun
mode not reached

Fault description
The diagnostic function monitors the plausibility of the
speed signal while the overrun cutoff is active.

Condition for fault identification
Test condition:
The fault is recognized when the vehicle speed deviates
from the calculated vehicle speed.
Potential problem source(s):
- Vehicle speed signal implausible
Terminal condition: none
Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- Engine warmed to normal temp, above 80 °C
Time condition:
- None
Other conditions:
- Engine ON
- Trailing throttle/overrun between 4520 rpm and 1520 rpm
- Speed > 4 km/h

Condition for fault memory entry
This fault is logged in the control module's fault memory
immediately.

Action in service
- Continue fault diagnosis with DSC

Fault effect and breakdown warning
Breakdown notice:
None
Possible apparent symptoms:
None

Driver information
Warning light:
ECE:
- ECE emissions warning lamp: off
- ECE electronic engine power reduction: off
- CC message: none
MY10 US:
- US emissions warning lamp: on
- US electronic engine power reduction: off
- CC message: on

Service instruction
None